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Finding the Fourth Proportional to 8.94, 12.33 and 5.44

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Solution

The fourth proportional to 8.94, 12.33 and 5.44 is: 7.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.94 : 12.33 = 5.44 : x
  2. Step 2: Convert to fraction form
    8.94/12.33 = 5.44/x
  3. Step 3: Cross multiply
    8.94x = 12.33 × 5.44
  4. Step 4: Simplify right side
    8.94x = 67.01
  5. Step 5: Solve for x
    x = 67.01/8.94
  6. Step 6: Final answer
    x = 7.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.